In Vitro Fertilization Have Right To Life", Medical news today, archived from the original on 29 December 2008 Allen, John., The Future Church: How Ten Trends are Revolutionizing the Catholic Church,. The Catholic Church follows an episcopal polity, led by bishops who have received the sacrament of Holy Orders who are given formal jurisdictions of governance within the church. The basic election system of the College of Cardinals which Gregory VII helped establish has continued to function into the 21st century. " cceo, Canons 155173". 382 He travelled more than any other pope, visiting 129 countries, 383 and used television and radio as means of spreading the church's teachings.